Fatal error: Uncaught Error: Interface 'PhpParser\PrettyPrinter' not found in /home/wwiwil/apps/iwill-laravel/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinterAbstract.php:21 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinterAbstract.php on line 21